Whatman Equipment List Whatman - PartisilManufactured by WhatmanWhatman Partisil is a high-purity irregular silica gel available in both 5 µm and 10 µm particle sizes with a pore size of 80Å. Whatman - UniSepManufactured by WhatmanThe UniSep HPLC column is the newest C-8 reverse phase HPLC column from Whatman. Page 1 of 1 1Ask a QuestionGet answers for Whatman ProductsSign in to Submit QuestionSubmit Question